From 3f512b84f0c94b21f18d5b3e70019d8691823004 Mon Sep 17 00:00:00 2001
From: Paul Brossier <piem@piem.org>
Date: Wed, 8 Feb 2017 11:58:16 +0100
Subject: [PATCH] src/pitch/pitch.c: return NULL if pitch_mode is NULL

---
 src/pitch/pitch.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/pitch/pitch.c b/src/pitch/pitch.c
index e0918712..9febb365 100644
--- a/src/pitch/pitch.c
+++ b/src/pitch/pitch.c
@@ -111,6 +111,10 @@ new_aubio_pitch (const char_t * pitch_mode,
 {
   aubio_pitch_t *p = AUBIO_NEW (aubio_pitch_t);
   aubio_pitch_type pitch_type;
+  if (pitch_mode == NULL) {
+    AUBIO_ERR ("pitch: can not use ‘NULL‘ for pitch detection method\n");
+    goto beach;
+  }
   if (strcmp (pitch_mode, "mcomb") == 0)
     pitch_type = aubio_pitcht_mcomb;
   else if (strcmp (pitch_mode, "yinfft") == 0)
-- 
2.11.0